Pilot's and Flight Engineer's Notes Short Sunderland III, 2nd Ed, AP1566C-PN CF-100 the pointer indicates altitude along

the pointer indicates altitude along the inner green scale

Most notably

The Type A-8 was a navigation stopwatch designed for timing ground speed meters for determining the velocity of aircraft relative to the ground

The WWII-era Engine Gauge Unit (aka Triple Gauge)

It is in superb condition given its age

Pilot's and Flight Engineer's Notes Short Sunderland III, 2nd Ed, AP1566C-PN CF-100 the pointer indicates altitude alongThis is a post WWII Air Data Publications reprint of the November 1943 Air Ministry Publication. Includes checklist, airplane handling, emergencies, foldouts of cockpit pictures and instrument panel. This ~50 page black and white manual is in very good condition. Measures 7. 5 inches long and 5 inches wide.